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The Detective’s Dilemma

Casefile Presents

When 22‑year‑old Sian O’Callaghan went missing, Detective Steve Fulcher arrested a suspect who offered to lead him to her body. The suspect then asked, “Do you want another one?” What would you have done?

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10 episodes
Avg 36 min
English

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Oct 22, 2025 · 44 min
Episode 10
It took five years for Halliwell’s trials to conclude. By then, Steve Fulcher had left the police force—leaving behind the biggest question of all: When a killer confesses, do you listen? Hosted on Acast. See acast.com/privacy for more information.
Oct 22, 2025 · 34 min
Episode 9
With controversy around Fulcher’s actions on the night of the confession, his career soon fell apart—he faced disciplinary hearings over his conduct during Chris Halliwell’s arrest. Hosted on Acast. See acast.com/privacy for more information.
Oct 22, 2025 · 33 min
Episode 8
It was argued that although Fulcher could invoke the ‘urgent interview’ provision for Sian, once Halliwell suggested there could be a second victim, Fulcher should have ignored that confession and taken him directly to the station. Hosted on Acast. See acast.com/privacy for more information.
Oct 22, 2025 · 45 min
Episode 7
Fulcher couldn’t ignore a potential confession from a self-confessed killer. After Halliwell was taken to the police station, Fulcher was hailed as a hero. But in court, if he had broken procedure, were Halliwell’s confessions admissible? Hosted on Acast. See acast.com/privacy for more information.
Oct 22, 2025 · 38 min
Episode 6
Followed by a large surveillance team, Halliwell led Fulcher to the location where he had taken Sian. He had killed her, he told Fulcher. Fulcher would’ve taken Halliwell in—but then the killer said, “Do you want another one?” Hosted on Acast. See acast.com/privacy for more information.
Oct 22, 2025 · 37 min
Episode 5
Halliwell said, “Have you got a car? We’ll go.” Instead of taking him to the police station (with access to a lawyer), Fulcher agreed—Sian could still be alive. Fulcher used an exception to the rule for urgent interviews when a life is at stake. Hosted on Acast. See acast.com/privacy for more information.
Oct 22, 2025 · 36 min
Episode 4
Fulcher had to navigate the minefield of an active investigation and intense media interest. The minute police saw Halliwell buy a large quantity of pills (overdose amount), the game was effectively over—he was arrested. Hosted on Acast. See acast.com/privacy for more information.
Oct 22, 2025 · 32 min
Episode 3
Halliwell had a police record and looked like a strong suspect. Fulcher made the decision to place him under covert surveillance, hoping he still had Sian and could lead them to her. Police teams followed him for several days. Hosted on Acast. See acast.com/privacy for more information.
Oct 22, 2025 · 33 min
Episode 2
The car stopped next to Sian, and a minute and four seconds later, it drove off—with her in it. But it didn’t make sense: Sian didn’t live that far away. More CCTV footage showed it was a taxi. The driver: Christopher John Halliwell. Hosted on Acast. See acast.com/privacy for more information.
Oct 22, 2025 · 29 min
Episode 1
22‑year‑old Sian O’Callaghan was reported missing after a night out with friends. Detective Inspector Steve Fulcher was the lead investigator. CCTV cameras showed her getting into an unidentified vehicle—then she was gone. Hosted on Acast. See acast.com/privacy for more information.

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